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From: John Garry <john.g.garry@oracle.com>
To: Damien Le Moal <dlemoal@kernel.org>,
	Andreas Hindborg <nmi@metaspace.dk>, Jens Axboe <axboe@kernel.dk>
Cc: Andreas Hindborg <a.hindborg@samsung.com>,
	Keith Busch <kbusch@kernel.org>,
	linux-block@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] null_blk: fix validation of block size
Date: Mon, 3 Jun 2024 14:54:00 +0100	[thread overview]
Message-ID: <f3ae00c4-1db5-4aeb-ac85-5dfa1d69354b@oracle.com> (raw)
In-Reply-To: <9d68c7c1-b1e6-4f42-8d4b-8c986ab688b5@kernel.org>

On 03/06/2024 00:59, Damien Le Moal wrote:
> On 6/2/24 19:57, John Garry wrote:
>> On 01/06/2024 21:23, Andreas Hindborg wrote:
>>> From: Andreas Hindborg<a.hindborg@samsung.com>
>>>
>>> Block size should be between 512
>>
>>> and 4096
>> Or PAGE_SIZE?
> PAGE_SIZE can be larger than 4096. But most drives are 512 or 4096 LBA-sized.

Sure, but maybe someone wants larger than 4096, like the LBS support.

Having said that, is there LBS support for nullb? I don't think so. I 
assume that PAGE_SIZE or 4096 limit would need to go for that.

Cheers,
John

  reply	other threads:[~2024-06-03 13:54 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-06-01 20:23 [PATCH] null_blk: fix validation of block size Andreas Hindborg
2024-06-02 10:57 ` John Garry
2024-06-02 23:59   ` Damien Le Moal
2024-06-03 13:54     ` John Garry [this message]
2024-06-03 17:03     ` Bart Van Assche
2024-06-03 12:03   ` Andreas Hindborg
2024-06-03 17:02 ` Bart Van Assche

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